1.Movement is absolute while       stillness       £¨still£© is relative.

2.People can act      violently      £¨violent£© if they feel threatened.

3.Other cultures may use      silence       £¨silent£© in other ways, particularly when dealing with conflicts between people.

4.We all know that Yuan Longping is famous for his       scientific       £¨science£© achievements.

5.It is often said that human beings are        naturally       £¨natural£© equipped to speak.

6.When I was young, I didn’t know much about the      harmful       £¨harm£© effects of smoking.

7.I recommend him to think very        carefully      £¨careful£© before he does anything foolish.

8.This morning, when I was walking on the street, I saw that two travelers were reading a map, looking         puzzled      £¨puzzle£©.

9.UNESCO recently set April 30 as a day to raise        awareness      £¨aware£© of jazz music.

10.Very few of those interviewed spoke        positively       £¨positive£© about their childhood.